Title:
ELECTRONIC GUN CONSTITUENT
Document Type and Number:
Japanese Patent JPS5389360
Kind Code:
A
Abstract:
PURPOSE: To make the electronic spot sharp, by decreasing the aberration of the focus lens, through the adjustment before and after the set value without giving effect to the voltage of the electron beam density modulating electrode for the focus lens voltage.
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Inventors:
TSUKAMURA YOSHIHIRO
Application Number:
JP457777A
Publication Date:
August 05, 1978
Filing Date:
January 17, 1977
Export Citation:
Assignee:
SONY CORP
International Classes:
H01J29/48; H01J29/50; H01J29/96; (IPC1-7): H01J29/48; H01J29/50
Domestic Patent References:
| JPS5177061A | 1976-07-03 |